_:n4dc2b248222144ec8605ff67bfa994d0xb0
<http://schema.org/description>
"A pointer works by pointing to a specified valid address. Yet, it doesn’t necessarily point to valid elements. These cases are often called invalid pointers.  In C++, the free() function often employs"
<https://ittutoria.net/how-to-fix-free-invalid-pointer-error-in-c/>